Closure for collapsible tubes



I NOV. 1, J, J GLAUBER CLOSURE FOR COLLAPSIBLE TUBES Filed June 29, 1938INVENTOR mm; g My Patented Nov. 1, 1938 2,135,178.

. UNI-TED STATE-S; PATENT] oFFic E CLOSURE FOR COLIVJAPSIBLE ToBEs JohnJ. Glauber, West Orange, N. J. Application June 29, 1938, Serial No.216,427

' 4 Claims. (01. 221-60) This invention relates to closures forcollapsithe plunger is acting to close the outlet openble tubes of thecharacter employed for containing to thereby prevent the flow of tubecontents ing tooth paste, shaving cream, paints and other therefrom.pastelike materials. The object of the invention To eject a portion ofthe tube contents from 5 is to provide a closure, which is threaded onthe the outlet opening 8 requires the usual pressure 5 nipple of thetube in place of the conventional of the fingers on the walls of thetube while the cap, and which will remain in position thereon thumbexerts pressure on lever II to cause it to until all of the contents ofthe tube are dewithdraw the plunger to the required extent to pleted;which will facilitate the convenient manmove its end out of the passage6, I and permit 10 ual ejection of the tube contents; which will prethefree flow of tube contents out through the 10 vent wastage and theaccumulation of hardened opening 8, the ribbon or strip of cream orpaste paste about the ejection opening, and which will emergingtherefrom in cross-sectional shape corbe provided with anautomatically-operating cloresponding to the shape of said opening. Whensure means instantly cutting off the flow of paste .pressure of thethumb on lever II is released,

when desired. spring l8 will immediately cause the plunger and 15 In thedrawing, wherein an embodiment of the lever to be restored to theposition shown in invention is shown, Fig. 1 is a perspective view Fig.2, wherein the outlet opening is closed by of a closure made inaccordance with the inthe plunger. The inclined position of theplungvention; and Fig. 2 is a longitudinal sectional er and itsdisposition at an angle to the direc- View through the same. tion of howof the tube contents, as well as the 20 At in the drawing is shown a.collapsible tube tapered end portion thereof serves to at once ofconventional construction, the same having provide a sharp cut-01f forthe contents of the the usual threaded nipple 2 formed with the tube sothat no paste adheres to or around the opening 3 through which thecontents 4 of the outlet opening in the housing 5.

tube are ejected by manual pressure imposed What I claim is: 25 upon thewalls of the tube. The improved 010- 1. A closure for collapsible tubescomprising, sure means includes a body portion or housing a housinghaving a passage extending through 5 formed with an internally threadedpassage 6 it, said passage having an internally threaded into which thethreaded nipple. 2 .on the tube portion for reception on the end of acollapsible is received. Passage 6 is formed with a contube, a leverpivoted at the side of said housing, 30

tracted portion 1 terminating in the outlet open a plunger movable inthe housing at an angle to ing 8, which may be of any selected shape tothe passage, said plunger extending across the thereby govern the shapeof the ribbon or tube passage and closing the outer end of the same, aof cream or paste which emanates through it spring having an endanchored in the housing when the walls of the tube are compressed by anda 'free end operative against the lever for 35 manual pressure imposedupon them. causing the lever to hold the plunger in nor- A plunger 9extends diagonally through the mally passage-Closing P H- housing 5,said plunger having a, bevelled or an- 2. A closure for collapsibletubes comprising,

gular end portion In extending into the cona housing having a passageextending throu h 40 tracted portion 1 of passage 6 and serving to it.said passa av a n lly hr aded 4o normally close the outlet opening 8.The plungpo for recept on o t d o a Collapsible er is moved to openposition-by means of a piv-' tu e, a plun er extendin n u a y t r t otedlever ll, pivoted on the pin [2 between ears housing with relation to tp p l3 formed on the housing 5. The under side of er having a taperedend extending across and the lever l I near one end thereof is formedwith normally closing one end of the passage, a le- 45 a recess l4 intowhich an end or head portion ver pivoted on the housing and providedwith of the plunger is located, the portion of the a free end extendingpartly down the side of the plunger so located being provided with thespaced tube to which the closure is attached, a conneccollars or fla e 5n 6 w h overlie spaced tion between the lever and the plunger wherebyprojections ll formed on the opposite S d Wal s the plunger is moved toopen position by pres- 50 of the recess M. A flat spring I 8 has one endsure of the lever toward the side of the tube, and anchored in the bodyof the housing, as shown spring means operative against the lever for atl9 and its other end bearing against the lever holding the plunger innormally closed position. ll, said spring acting to normally hold thelever 3. A closure for collapsible tubes comprising, in the positionshown in Figs. 1 and 2 wherein a housing having a passage extendingthrough 55 it, said passage having an internally threaded portion forreception on the end of a collapsible tube, a plunger located within thehousing and mounted for sliding movement therein, said plunger extendingangularly through the housing with respect to the passage and adapted tonormally extend across'the passage near the outer end of the same toclose said passage, a lever pivoted-on the housing, said lever having a.recess within which an end of the plunger is disposed, means on thelever within said recess for engaging the end of the plunger located inthe recess to thereby reciprocate the plunger in the housing, and springmeans operative on the V sition.

lever for causing the same to normally hold the plunger inpassage-closing position.

4. A closure for collapsible tubes comprising, a housing provided withmeans for attaching it over the outlet opening of a tube, a. passageextending through the housing and communicating with said outletopening, a plunger extending angularly with respect to the passage andarranged to close the end of said passage, a pivoted lever for movingthe plunger, and resilient means for maintaining the plungerinpassage-closing po- JOHN J. GLAUBER.

